900 Amp Cable Size at 350 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 350 m (1148.3 ft).
Copper Cable (≤3% Drop)47× 400 mm²Drop: 0.72V (2.99%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 55.6V (231.66%)
Voltage at Load23.3 VLine Loss: 645.4 W
Max Power & Breaker21.6 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 350m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 8988.0 V (37450.0%) | 0.0 V | 14826.0 V (61775.0%) | 8089200.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 5392.8 V (22470.0%) | 0.0 V | 8895.6 V (37065.0%) | 4853520.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 3370.5 V (14043.75%) | 0.0 V | 5559.75 V (23165.62%) | 3033450.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2247.0 V (9362.5%) | 0.0 V | 3706.5 V (15443.75%) | 2022300.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1348.2 V (5617.5%) | 0.0 V | 2223.9 V (9266.25%) | 1213380.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 842.62 V (3510.94%) | 0.0 V | 1389.94 V (5791.41%) | 758362.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 539.28 V (2247.0%) | 0.0 V | 889.56 V (3706.5%) | 485352.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 385.2 V (1605.0%) | 0.0 V | 635.4 V (2647.5%) | 346680.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 269.64 V (1123.5%) | 0.0 V | 444.78 V (1853.25%) | 242676.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 192.6 V (802.5%) | 0.0 V | 317.7 V (1323.75%) | 173340.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 141.92 V (591.32%) | 0.0 V | 234.09 V (975.39%) | 127724.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 112.35 V (468.12%) | 0.0 V | 185.32 V (772.19%) | 101115.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 89.88 V (374.5%) | 0.0 V | 148.26 V (617.75%) | 80892.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 72.88 V (303.65%) | 0.0 V | 120.21 V (500.88%) | 65588.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 56.17 V (234.06%) | 0.0 V | 92.66 V (386.09%) | 50557.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 44.94 V (187.25%) | 0.0 V | 74.13 V (308.87%) | 40446.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 33.7 V (140.44%) | 0.0 V | 55.6 V (231.66%) | 30334.5 W | Drop High |
FAQ — 900 Amp Cable Size at 350 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 900A at 350 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 47× 400 mm² copper cable for 900A over 350m at 24V (voltage drop: 0.72V or 2.99%).
What is the power capacity of 900A at 24V?
At unity power factor, 900A at 24V supports 21.6 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (24V)
900A · 5m (24V)900A · 10m (24V)900A · 15m (24V)900A · 20m (24V)900A · 25m (24V)900A · 30m (24V)900A · 35m (24V)900A · 40m (24V)900A · 45m (24V)900A · 50m (24V)900A · 60m (24V)900A · 70m (24V)10A · 350m (24V)16A · 350m (24V)20A · 350m (24V)25A · 350m (24V)32A · 350m (24V)40A · 350m (24V)50A · 350m (24V)63A · 350m (24V)80A · 350m (24V)100A · 350m (24V)125A · 350m (24V)160A · 350m (24V)200A · 350m (24V)